JPH0536029Y2 - - Google Patents

Description

[Detailed explanation of the invention] A. Purpose of the invention [Industrial field of application] This invention is a double floor in which floor panels are laid on the floor base via support legs, and the laid floor panels are placed on the floor base. This relates to a locking device that is installed upright on a floor base in order to hold it down and prevent it from rising.

[Conventional technology]

A space is formed on the floor base of the building, floor panels are laid down to create a double floor, and the necessary wiring, piping, etc. are installed in the space.
Providing the equipment necessary for this is extremely common practice.

In this double floor, the laid floor panels are not fixed to the floor base, but are placed using support legs to maintain the spacing between the floors, making it easier to open the floor panels, adjust the floor level, and connect the wiring. It is also common practice to obtain the convenience of such operations or the replacement of floor panels.

[The problem that the idea attempts to solve]

In the case of a double floor formed by the above-mentioned floor panels, vibrations such as earthquakes or movement of equipment on the floor can cause the floor panels to float up and shift laterally, making it impossible to maintain the floor level, which can cause severe damage. In such cases, there was a risk of accidents such as damage to equipment on the floor or falling.

In addition, conventionally, in order to prevent equipment such as computers installed on a double floor from moving or falling over, they were fixed directly with anchor bolts that penetrated the floor panel and were fixed to the floor base. requires separate construction work, which must be performed every time the equipment is moved or changed, which is extremely troublesome.

B. Structure of the invention [Means for solving the problem] Floor panels for double floors are usually 25 to 50 mm thick and 50 to 50 mm thick.
Precast concrete, especially glass fiber reinforced cement board, in the form of a square with a side length of 60 cm is preferably used. Then, this floor panel can be installed by installing height-adjustable supporting legs at its four corners and placing them on the floor base, or by fitting the four corners into the upper ends of the supporting legs that are fixed and planted on the floor base. This structure forms a double floor.

The floor panel placed as described above is abutted against the adjacent floor panel at a predetermined joint interval, and is held by appropriate engagement means so as not to move in the plane direction, but usually upward. This makes it possible to open the floor panel without having to secure it against movement.

Further, this floor panel usually has a cutout edge on a part of the side edge of the panel for insertion of wiring, attachment of equipment, handles for handling, etc.

FIG. 8 is a perspective view illustrating this stand-alone double floor panel, in which height-adjustable support legs L are erected at the four corners of the floor panel P, and one of the opposing side edges is erected. A notch edge C is provided in the portion, and a groove step portion B for attaching an instrument or fitting a cover plate is formed on the upper surface along the notch edge C.

In the present invention, when forming a double floor using a floor panel P having a cutout edge C with a groove step B on the side edge as described above, the cutout edge C portion is used to attach the floor panel P to the floor base. This is a locking device that is easy to install and handle, and solves the problems of the conventional method by fixing the locking device.

That is, the present invention provides a panel locking plate that fits into and engages with the notch edge of a floor panel, which has vertical walls on both sides of a bottom plate having locking claws that bend outward at the upper ends thereof to engage with the cutout edge of the floor panel, and the panel locking plate. It consists of an anchor nut at the lower end that penetrates the bottom plate of the board, a bolt for screwing a tightening nut at the upper end, and a cover plate placed on the upper surface of the panel locking plate and covering the notch edge of the floor panel. The gist of this article is a distinctive feature of the double floor panel locking device.

In the above, the panel locking plate has a bottom plate and a compatible wall that are fit into the shape of the notch edge provided on the side edge of the floor panel, and both engaging claws at the upper end of the plate fit into the shape of the notch edge provided on the side edge of the floor panel. It is mounted on a groove and has a size and shape such that its upper surface does not protrude above the upper surface of the floor panel, and its bottom plate is provided with bolt insertion holes.

The bolt has an anchor nut embedded and fixed in the floor base at its lower end, and a tightening nut at its upper end protruding from the top surface of the bottom plate of the panel locking plate fitted into the notch edge of the floor panel. The bolt has an axial length corresponding to the height of the underfloor space, and a screwdriver groove is provided on the upper end surface of the bolt.

The cover plate is fitted into the notch edge of the floor panel,
It is to be covered so that its upper surface is flush with the upper surface of the floor panel, and it is desirable to provide a notch into which the engaging claw of the panel locking plate is inserted.

Furthermore, the panel locking plate of the present invention can be provided with a threaded portion for a tightening bolt for fixing computers, partitions, etc. (hereinafter referred to as floor-mounted equipment, etc.) placed on a double floor as described below.

That is, it has a joint nut whose lower part is screwed onto a tightening nut which is screwed onto the upper part of the floor base planting bolt protruding from the bottom plate of the panel locking plate,
At that time, set the height of the vertical walls on both sides of the panel locking plate to a size that does not allow the top surface of the joint nut screwed onto the top of the bolt to protrude, and connect the upper part of the screw hole of the joint nut to the tightening bolt for fixing equipment placed on the floor. 1 that can be used as a screw-in part, or that tightening bolts for fixing equipment placed on the floor can be screwed into the bottom plate of the panel locking plate.
By providing a plurality of screw holes, it is possible to lock the double floor panel and fix equipment placed on the floor.

When providing screw holes in the bottom plate, by extending and enlarging the bottom plate to one side, the degree of freedom in the placement position of the screw holes can be increased and the number of screw holes can be accommodated. It is desirable to do so.

[Effect]

In the double floor panel locking device of the present invention, an anchor nut is buried and fixed in advance in a predetermined position of a double floor construction floor base, and while the floor panel is placed on the base via the support legs, the anchor nut is inserted into the anchor nut. Screw the bolt into place, insert the panel locking plate into the notch edge of the floor panel above it, make the upper end of the bolt protrude above the bottom plate, screw the tightening nut through the seat plate, and tighten the locking claw. The floor panel is fixed to the floor base by engaging and pressing down on the groove step of the notch edge,
A stable double bed is formed that does not float upward.

By placing the cover plate in the notch groove of the floor panel, a finishing layer such as a carpet laid on the top surface of the cover plate is stabilized.

The locking device of the present invention not only prevents the double floor panel from floating up as described above, but also has the function of tightening bolts for fixing floor-mounted equipment, etc. to the bottom plate surface of the panel locking plate. By providing a threaded portion, equipment, etc. can be easily fixed without requiring the conventional separate anchor bolt work.

That is, the height of the vertical wall of the panel locking plate described above is increased, and a joint nut is screwed at the bottom of the upper part of the bolt that protrudes above the tightening nut screwed and tightened on the top surface of the bottom plate, and the lid plate is removed. Then, by tightening the tightening bolt by engaging with the base leg of the floor-mounted equipment, etc. on the upper part of the joint nut, or around the periphery of the bolt insertion hole in the bottom plate of the panel locking plate. By arranging one or more screw holes in the plate surface of the bottom plate extended to one side, and tightening the tightening bolts engaged with the base legs of equipment placed on the floor, etc. Can be used to secure equipment as well as floor panels.

〔Example〕

Embodiments of the present invention will be described with reference to the drawings.

As shown in the exploded perspective view of Fig. 1, the double floor panel locking device of the present invention includes a panel locking plate 1, bolts 2
It consists of an anchor nut 3 screwed onto its lower end, a tightening nut 5 screwed onto its upper end, and a cover plate 7 placed on the upper surface of the panel locking plate 1.

The panel locking plate 1 is integrally formed with a bottom plate 10, two opposing vertical walls 11 erected on both sides thereof, and two locking claws 12 bent outward from the upper end of each vertical wall 11. Both outer surfaces of the two vertical walls 11 have a gap that fits and fits into the notch edge C provided on the side edge of the floor panel P as shown in FIG. 8, and the upper end thereof Engagement claw 12 protruding outward
has a shape that fits into the groove step B formed on the upper surface of the periphery of the notch edge C of the floor panel P, and has a thickness such that the upper surface does not protrude above the upper surface of the floor panel.

6 is a seat plate placed on the upper surface of the bottom plate 10, and 13 is a bolt insertion hole formed of a long hole drilled in the bottom plate 10.

FIG. 2 is a cross-sectional side view showing the placed double floor panel locked by this device, and FIG. 3 is a plan view showing its top surface.

The panel locking plate 1 has a bottom plate 10 and a compatible wall 11 fitted into the notch edge C provided on the side edge of the floor panel P, and both locking claws 12 are attached to the top surface of the floor panel around the notch edge C. It engages with the groove step part B.

The lower end of the bolt 2 is screwed into an anchor nut 3 which is embedded and fixed in the floor material S, and the upper end thereof passes through the bottom plate 10 and is attached to the tightening nut 5 through the seat plate 6.
are screwed together and tightened, and the floor panel P is pushed down toward the floor base S by the locking pawl 12, and the floor panel P
is locked so that it cannot be moved upwards.

As shown by the dashed line in FIG. 3, the cover plate 7 is placed on the groove step B around the notch edge C with its notch 17 positioned at the engaging claw 12, and its upper surface is aligned with the upper surface of the floor panel P, so that the panel engaging plate 1 is engaged with the panel engaging plate 1.
Cover the top surface of the.

In this way, the floor panel is connected and fixed to the floor base, and its floating is prevented and a uniform floor surface is formed. This floor panel P can be easily opened by removing the cover plate 7 and the tightening nuts 5.

FIG. 4 shows an example in which equipment installed in a part of a room with a double floor as described above is fixed at the floor panel locking part. Standing wall 11 of locking plate 1
is made to have a large height, and the upper end of the bolt 2 is made to protrude above the tightening nut 5 tightened on the bottom plate 10,
The lower part of the joint nut 16 is screwed onto this, and the tightening bolt is attached to the upper part of the joint nut 16 via the equipment mounting angle A, which is positioned at the notch edge C of the floor panel P without using the cover plate 7. By screwing and tightening 20, both the floor panel and the installed equipment can be fixed.

Furthermore, FIGS. 5 to 7 show the bottom plate 1 of the panel locking plate 1.
FIG. 5 shows another embodiment in which three screw holes 19 are provided on one side of the screw hole 19 so that equipment placed on the floor can be fixed, and FIG. a perspective view of a panel locking plate 1 having a bottom plate 10;
FIG. 6 is a side view taken along the line XX of the plan view of FIG. 7 showing the panel locking device having the above panel locking plate 1 in use. FIG. 3 is a plan view of the panel in a locked state with the base W and carpet overlay S removed.

The panel locking plate of the present invention has two floor panels P ₁ and P ₂ laid adjacent to each other to form a double floor, with cutouts C ₁ and C ₂ provided at the respective side edges facing each other. In one notch C ₂ of the approximately square floor opening,
The panel locking plate 1 is fitted and the floor panel _P2 is locked in the same manner as described above.

At this time, the lateral extending enlarged portion 18 from the bottom plate 10 of the panel locking plate 1 protrudes toward the other notch _C1 side,
The three screw holes 19 provided in the bottom plate 10 are located on the floor panel abutting joint line M, and a base W for supporting a partition wall board, for example, is placed on the joint line M, and the base W The base W can be fixed by screwing the tightening bolt 20 into the screw hole 19 at a desired position and tightening it. By supporting and fixing the base W partition, it is possible to divide the room in an attractive manner.

At this time, the floor panel P1 that is not locked by the panel locking plate ₁ is held down by the fixed base W and is prevented from floating up.

In addition, when the floor panel P ₂ comes into contact with the wall surface of the room, the extended enlarged portion 18 of the bottom plate 10 is brought into contact with the floor panel P ₂
The floor panel P2 can be locked by attaching the panel locking plate 1 in the opposite direction to that described above so as to protrude toward the back side of the floor panel _P2 .

C. Effects of the invention Since the present invention has the above-mentioned structure and function, it is possible to easily use the notch edges of each floor panel in a double floor constructed by a laying method using floor panels with notched edges on the side edges. It locks onto the floor base and prevents it from lifting up, making it easy to obtain a stable double floor.Also, at the same time as stabilizing the double floor, equipment placed on the floor can be easily connected and fixed to the floor base. You can also do things like
The practical effects are significant.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, in which Fig. 1 is an exploded perspective view, Fig. 2 is a side view showing a state of use as a cross section, Fig. 3 is a plan view of Fig. 2 with the lid plate removed, Fig. 4 is a side view of another embodiment in use, Fig. 5 is a perspective view of a panel locking plate of still another embodiment, and Fig. 6 is a cross section taken along the line XX in Fig. 7 in its use state. FIG. 7 is a plan view showing the panel in a locked state with the base and carpet removed in FIG. 6, and FIG. 8 is a perspective view of the free-standing double floor panel. 1... Panel locking plate, 2... Bolt, 3... Anchor nut, 5... Tightening nut, 6... Seat plate, 7... Lid plate, 10... Bottom plate, 11... Vertical wall,
12... Locking claw, 13... Bolt insertion hole, 16...
...Joint nut, 17...Notch, 18...Extending enlarged portion, 19...Screw hole, P...Floor panel, C...
Notch edge, B...Groove step, S...Floor base, A...Equipment mounting angle.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A panel that fits into and engages with the cutout edge of a floor panel, which has vertical walls 11 on both sides of a bottom plate 10, each having a locking claw 12 that bends and projects outward at the upper end. A locking plate 1, a bolt 2 that passes through the bottom plate 10 of the panel locking plate 1 and screws an anchor nut 3 at the lower end and a tightening nut 5 at the upper end, and a bolt 2 placed on the upper surface of the panel locking plate 1. A double floor panel locking device characterized by comprising a cover plate 7 that covers a notch edge of a floor panel. (2) It has a joint nut 16 whose lower part is screwed onto the tightening nut 5 which is screwed onto the upper part of the bolt 2 passing through the bottom plate 10 of the panel locking plate 1, and which is attached to both sides of the panel locking plate 1. The vertical wall 11 connects the upper part of the screw hole of the joint nut 16, which has a height greater than the top surface of the joint nut 16 screwed onto the top of the bolt 2, with the screwed part of a tightening bolt for fixing equipment placed on the floor. The double floor panel locking device according to claim 1. (3) The double floor panel locking device according to claim 1, wherein the bottom plate 10 of the panel locking plate 1 is provided with one or more screw holes 19 into which tightening bolts for fixing equipment placed on the floor can be screwed. .